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■四角形を描画する
PictureBoxに四角形を描画する例です。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
System.Diagnostics.PerformanceCounter pc = new System.Diagnostics.PerformanceCounter();
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
using (Graphics gra = pictureBox1.CreateGraphics())
{
// 四角形
gra.DrawRectangle(Pens.Black, 0, 0, 30, 30);
// 中が塗りつぶされた四角形
gra.FillRectangle(Brushes.Blue, 40, 0, 50, 50);
}
}
}
}
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